Either CS (coordinate system) could be used with equal justification. The two sentences: the sun is at rest and the earth moves, or the sun moves and the earth is at rest, would simply mean two different conventions concerning two different CS

How was I able to live alone before, my little everything? Without you I lack self-confidence, passion for work, and enjoyment of life--in short, without you, my life is no life. [Written to his wife, Mileva]

To have a better life we must keep choosing how we are living.

Life is a preparation for the future; and the best preparation for the future is to live as if there were none.

In my view, it is the most important function of art and science to awaken this feeling and keep it alive in those who are capable of it.

E=mc2. Energy equals mass times the speed of light squared. The original statement is: If a body gives off the energy L in the form of radiation, its mass diminishes by L/c2. Ist die Tragheit eines Korpers von Seinem Energieghalt Abhangig? 1905

All I want to do is learn to think like God. All the rest is just details.